August weather forecastSaint-Cast-le-Guildo, France
August
Weather in August
Sea temperature
In August, the average sea temperature in Saint-Cast-le-Guildo, France, is 18°C (64.4°F).Note: For most individuals, swimming in 18°C (64.4°F) is not enjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing control becomes increasingly difficult.
Daylight
The average length of the day in August in Saint-Cast-le-Guildo is 14h and 18min.On the first day of August, sunrise is at 06:43 and sunset at 21:46. On the last day of the month, sunrise is at 07:25 and sunset at 20:52 CEST.
Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Saint-Cast-le-Guildo, France, the average seawater temperature in August is 18°C (64.4°F). For swimming, a surface water temperature of 18°C (64.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
In Saint-Cast-le-Guildo, the average day length in August is 14h and 18min.
On the first day of August in Saint-Cast-le-Guildo, France, sunrise is at 06:43 and sunset at 21:46. On the last day of the month, sunrise is at 07:25 and sunset at 20:52 CEST.
Average sea temperature in August
Saint-Cast-le-Guildo, France
- Average sea temperature in August: 18°C
The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest month (with the lowest average sea temperature) is February (8.7°C).
Average daylight in August
Saint-Cast-le-Guildo, France
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
